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INTRODUCTION Dental pulp with special structure has become a good reference sample in paleomicrobiology-related blood-borne diseases, many pathogens were detected by different methods based on the diagnosis of nucleic acids and proteins. OBJECTIVES This review aims to propose the preparation process from ancient teeth collection to organic molecule extraction of dental pulp and summary, analyze the methods that have been applied to detect septicemic pathogens through ancient dental pulps during the past 20 years following the first detection of an ancient microbe. METHODS The papers used in this review with two main objectives were obtained from PubMed and Google scholar with combining keywords "ancient," "dental pulp," "teeth," "anatomy," "structure," "collection," "preservation," "selection," "photography," "radiography," "contamination," "decontamination," "DNA," "protein," "extraction," "bone," "paleomicrobiology," "bacteria," "virus," "pathogen," "molecular biology," "proteomics," "PCR," "MALDI-TOF," "LCS. aureus and B. recurrentis were identified by three different methods and others only by one. The combining methods interestingly increase the positive rate with ELISA, PCR and iPCR in Yersinia pestis diagnosis. Twenty-seven ancient genomes of Y. pestis and one ancient genome of B. recurrentis were reconstructed. Comparing to the ancient bone, ancient teeth showed more advantage in septicemic diagnosis. Beside pathogen identification, ancient pulp help to distinguish species. CONCLUSIONS Dental pulp with specific tissue is a suitable sample for detection of the blood infection in the past through DNA and protein identification with the correct preparation process, furthermore, it helps to more understand the pathogens of historic diseases and epidemics. © 2020 The Authors. Molecular Genetics & Genomic Medicine published by Wiley Periodicals, Inc.A novel RNA betacoronavirus causing coronavirus disease 2019 (Covid-19) has now been declared pandemic disease by WHO. Guo et al published the first report of biochemical features in patients with diabetes and the further risk that this disease can determine to the progression of Covid-19. Among different cytokines found significantly higher in patients with diabetes compared to those without, Interleukin-6 (IL-6), which is already increased in conditions of chronic inflammation, may play a more deleterious role in Covid-19 infection. Targeting the overexpression of Il-6 effects with a monoclonal antibody against IL-6 receptor or using Janus Kinase inhibitors may be particularly helpful for treatment of Covid-19 pneumonia in diabetes. © 2020 John Wiley & Sons Ltd.BACKGROUND Rosacea is a common chronic inflammatory skin disease that the pathogenesis is not fully understood. Although the significant role of oxidative stress in rosacea pathophysiology has been shown in recent studies, there is no study addressing the potential roles of bilirubin and uric acid (UA) in rosacea. AIM The purpose of this study was to assign serum bilirubin and UA antioxidant levels in rosacea patients. METHODS Eighty-seven rosacea patients and 81 healthy controls (HCs) similar age and gender were included in the study. From all study participants, blood samples were taken and the values of total bilirubin (Tbil), direct bilirubin (Dbil), indirect bilirubin (Ibil), and UA were analyzed in the laboratory of biochemistry. RESULTS The type of rosacea was erythematotelangiectatic in 51.7% of the patients, papulopustular in 43.7%, and phymatous in 4.6%. In rosacea group serum, Tbil, Dbil, Ibil, and UA values were found to be significantly lower than in the HCs. Male rosacea patients were found to have lower Tbil, Dbil, Ibil, and UA levels when compared with the males in the HCs. There was also the same significant difference in female patients. NSC 737664 CONCLUSION Main finding of our study was that when compared with the control group, serum bilirubin and UA levels were significantly lower in rosacea patients. These levels sustain the hypothesis that antioxidant status and oxidative stress are important in the pathogenesis of rosacea. © 2020 Wiley Periodicals, Inc.To commemorate the 100th anniversary of the creation of the Instituto Cajal, we bring this thematic issue to honor Spanish neuroscience. The issue includes several papers written by scientists, most of them being direct descendants of those who lived on the front lines of the dawn of Spanish neuroscience. These pages reflect a summary of the main achievements of this unique group of neuroscientists, all of them belonging to the Cajal School. Finally, this school of scientists became the forerunner of the modern worldwide neuroscience. Anat Rec, 2020. © 2020 American Association for Anatomy.With the realization that much of the biological diversity on Earth has been generated by discrete evolutionary radiations, there has been a rapid increase in research into the biotic (key innovations) and abiotic (key environments) circumstances in which such radiations took place. Here we focus on the potential importance of population genetic structure and trait genetic architecture in explaining radiations. We propose a verbal model describing the stages of an evolutionary radiation first invading a suitable adaptive zone and expanding both spatially and ecologically through this zone; secondly, diverging genetically into numerous distinct populations; and, finally, speciating. There are numerous examples of the first stage; the difficulty, however, is explaining how genetic diversification can take place from the establishment of a, presumably, genetically depauperate population in a new adaptive zone. We explore the potential roles of epigenetics and transposable elements (TEs), of neutral process such hes. At least some of these may be testable in the future as more genome and epigenome data become available. The implication of this model is that many radiations may be hard polytomies because the genetic divergence leading to speciation happens within a very short time, and that the divergence history may be further obscured by hybridization. Furthermore, it suggests that only lineages with the appropriate genetic architecture will be able to radiate, and that such a radiation will happen in a meta-population environment. Understanding the genetic architecture of a lineage may be an essential part of accounting for why some lineages radiate, and some do not. © 2020 Cambridge Philosophical Society.
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